Question

Fill in the blanks by choosing the appropriate word/words from those given in the brackets:

(concentrated sulphuric acid, methylamine, ethylamine, sp² , 2-propanol, s-1 , sp³ , glycol, Cannizzaro’s reaction, pyramidal, mol L-1s^-1 , Hofmann’s degradation, glycerol, concentrated nitric acid, square planar, octahedral, concentrated hydrochloric acid.) 

(i) The nitrogen atom in ammonia undergoes ………… hybridisation and the geometry of the molecule is ………. 

(ii) For a first-order reaction, the unit of rate is ……… and that of the rate constant is ……….. 

(iii) When acetamide is treated with bromine and caustic soda, it gives ………… as the main product and the reaction is called ……….. 

(iv) …………. is an example of trihydric alcohol and …………. is an example of dihydric alcohol.

(v) Aqua regia is a mixture of ………. and ………. in the ratio of 3 : 1.

Answer 1

(i) sp³ , Pyramidal

(ii) mol L^-1 s^-1 , s^-1

(iii) methylamine, Hofmann’s degradation,

(iv) glycerol, glycol

(v) concentrated hydrochloric acid, concentrated nitric acid.