ShreyaBSEB Bihar Board 12th Chemistry Important Questions Long Answer Type Part 4 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Long Answer Type Part 4 in English Question 1. Describe nucleophilic substitution reaction of haloalkanes. Answer: Nucleophilic substitution reactions in haloalkenes- The halogen atom in haloalkanes in … Read more
BSEB Bihar Board 12th Chemistry Important Questions Numericals are the best resource for students which helps in revision. Bihar Board 12th Chemistry Numericals Important Questions with Solutions in English Question 1. The decomposition of H2O2 was studies by titrating is at different intervals of time with KMnO4 Calculate the velocity constant for it from the … Read more
BSEB Bihar Board 12th Chemistry Important Questions Long Answer Type Part 3 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Long Answer Type Part 3 in English Question 1. (A) What are Amines? How are they classified? Write names and structures of all the isomeric amines having … Read more
BSEB Bihar Board 12th Chemistry Important Questions Long Answer Type Part 2 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Long Answer Type Part 2 in English Question 1. (A) What do you mean by electrolysis? What are electrolytes and non-electrolytes? Give examples of each. What do … Read more
BSEB Bihar Board 12th Chemistry Important Questions Long Answer Type Part 1 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Long Answer Type Part 1 in English Question 1. What is u unit cell? How is it classified? Answer: Unit cell- Unit cells is the smallest portion … Read more
BSEB Bihar Board 12th Chemistry Important Questions Short Answer Type Part 4 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Short Answer Type Part 4 in English Question 1. Give reasons: (i) Xenon does not form fluorides such as XeF3 and XeF5. (ii) Out of noble gases, … Read more
BSEB Bihar Board 12th Chemistry Important Questions Short Answer Type Part 3 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Short Answer Type Part 3 in English Question 1. Aldehydes are more reactive than ketones. Explain. Answer: Due to smaller +I effect of the alkyl group in … Read more
BSEB Bihar Board 12th Chemistry Important Questions Short Answer Type Part 2 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Short Answer Type Part 2 in English Question 1. What is the coordination Number of sodium in sodium oxide (Na2O). Answer: The coordination Number of sodium in … Read more
BSEB Bihar Board 12th Chemistry Important Questions Short Answer Type Part 1 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Important Questions Short Answer Type Part 1 in English Question 1. Write chief ore of Zinc. Answer: Following chief ores of Zinc ore- (a) Calamine – ZnCO3 (b) Zinc … Read more
BSEB Bihar Board 12th Chemistry Important Questions Objective Type Part 5 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Objective Important Questions Part 5 in English Question 1. Chloral is: (a) CCl3CHO (b) CCl3CH3 (c) CCl3COCH3 (d) CCl3CH2OH Answer: (a) CCl3CHO Question 2. Amongst the following the most reactive … Read more
BSEB Bihar Board 12th Chemistry Important Questions Objective Type Part 4 are the best resource for students which helps in revision. Bihar Board 12th Chemistry Objective Important Questions Part 4 in English Question 1. The general electronic configuration of inner transition elements is : (a) (n-2)f1-7(n-1)d1ns1 (b) (n-2)f1-14(n-1)d0 or 1 ns1 (c) (n-2)f1-14(n-1)a0 or 1 … Read more