In the reaction  X is ________.

(a)

(b)

(c)

(d)

The treatment of ethyl formate with excess of RMgX gives ____________

(a)

\(R-\underset { \overset { || }{ O } }{ C } -R\)

(b)

\(R-\underset { \overset { | }{ OH } }{ CH } \quad R\)

(c)

R- CHO

(d)

R- O- R

The name of C₂F₄Cl₂ is ___________

(a)

Freon – 112

(b)

Freon – 113

(c)

Freon – 114

(d)

Freon – 115

Match the compounds given in Column I with suitable items given in Column II

Column I (Compound)	Column II (Uses)
A. Iodoform	1. Fire extinguisher
B. Carbontetra chloride	2. Insecticide
C. CFC	3. Antiseptic
D. DDT	4. Refrigerants

(a)

A → 2 B → 4 C →1 D →3

(b)

A → 3 B → 2 C → 4 D → 1

(c)

A → 1 B → 2 C →3 D → 4

(d)

A → 3 B → 1 C →4 D → 2

Consider the reaction,
CH₃CH₂CH₂Br + NaCN → CH₃CH₂CH₂CN + NaBr
This reaction will be the fastest in __________

(a)

ethanol

(b)

methanol

(c)

DMF (N, N' – dimethyl formanide)

(d)

water