Serving Quality Education
Serving Quality Education
Question : Amines have a lone pair of electrons on nitrogen atom due to which they behave as Lewis base. Larger the value of Kbor smaller the value of pKbstronger is the base. Amines are more basic than alcohols, ethers,…
Case Study Question on Amines – Chapter 13 CBSE Class 12 Chemistry Question : The conversion of primary amines into diazonium salts is known as diazotization. Arene diazonium salts are generally colourless crystalline solids highly soluble in water. These salts…
Case Study Question 3 on d & f Block Read the passage given below and answer the following questions: The d block elements are the 40 elements contained in the four rows of ten columns (3-12) in the periodic table.…
Case Study Question 2 on d & f Block Read the passage given below and answer the following questions: The transition metals when exposed to oxygen at low and intermediate temperatures form thin, protective oxide films of up to some…
Case Study Question on Amines Read the passage given below and answer the following questions: Reductive alkylation is the term applied to the process of introducing alkyl groups into ammonia or a primary or secondary amine by means of an…
Case Study Question on d & f Block Read the passage given below and answer the following questions: Within the 3d series, manganese exhibits oxidation states in aqueous solution from +2 to +7, ranging from Mn2+(aq) to MnO−4 (aq). Likewise,…
A nucleophile is a molecule that forms a bond with its reaction partner (the electrophile) by donating both electrons for that bond. Nucleophiles are Lewis bases. The word ‘nucleophile’ can be split into two parts, namely nucleus and philos. Philos…
The meaning of nascent is newly born. In context of chemical reaction, nascent hydrogen or element means such elements which are produced in situ and are highly reactive elements compared to their ordinary forms. That is nascent hydrogen is more…
ROLE OF THE TEACHER IN FACILITATING DEVELOPMENT OF CHILDREN Unbelievably, you as a teacher can really transform the life of a child. Let us now explore a teacher’s role in facilitating different dimensions of development of children. While teaching, whenever…
HOLISTIC UNDERSTANDING OF DEVELOPMENT We can understand this interrelationship with the help of following examples: (i) A physically unhealthy person is unable to perform one’s duties to oneself, family and community. (ii) A child under emotional strain is likely to…
Theory of Psychosocial Development- Erik Erikson Erik Erikson (1963, 1972) described a series of eight ‘psychosocial’ stages in which our selfhood, independence, identity and self-worth may be developed or crushed, depending on how we resolve issues and interact with others…
Kohlberg’s Theory of Moral Development Case Study: Atul was not prepared for his Physics Exam, so he wrote some important formulae on a slip of paper which he put in his pocket before the test. Just before the test began, the…
Piaget and Moral Reasoning Before we try to understand Piaget’s concept of moral reasoning, let us consider two illustrations. Case Study: Rajat is a very young boy. His younger brother is very hungry, but Rajat has no money left after buying…
Four Stages of Cognitive Development According to Piaget’s theory, children progress through a sequence of four major developmental stages: (a) the sensorimotor stage of infancy- involving the senses and motor activity; (b) the preoperational stage of early childhood- the stage…
Piaget’s Theory of Cognitive Development Piaget’s Basic Tendencies in Thinking Piaget identified that children actively construct their own cognitive worlds. To make sense of the world, they organize their experiences and adapt their thinking to include new information. Organization is…
Cognitive Development Does a child’s cognition refer merely to the achievements in academics? Is there any role of cognition in developing other dimensions of a child’s personality? Child’s cognitive development forms the foundation of many other developments like language, social,…
Emotional Development Emotion has been defined differently as ‘a stage of agitation’, ‘disturbance of equilibrium’, ‘intense random and disorganized response to a stimulus’. In modern life, emotions demand greater understanding because of their pervasive effects on behaviour, personality and health.…
Characteristics of Physical Development During childhood there are changes in a child’s height, weight and body proportion. The pace of this growth is more in later childhood (7-12 years) than in early childhood stage (3-6 years). Legs lengthen rapidly and there…
Physical Development Prior to the concept of physical development, let us imagine a process. Consider a newborn baby. Right now s/he has no control over her/his movements, but within 18 months s/he will be walking, in another year running, and…
Looking back at our lives, we have memories that remind us about the changes we have faced over time and it is a fact that humans grow and change throughout their entire lifespan. For example, Riya is just now learning…