Haloalkanes and...

What should be the correct IUPAC name for diethylbromomethane?

Which of the following reactants is suitable for preparation of methane and ethane by using one step only?

Rank in the order of increasing acidic strength:

Match the column I with column II and with column III.

For the given Question (1,2,3)  consider the following reaction.
Which halogen will give the best yield of a single monohalogenation product ?

Reaction of $$C_6H_5CH_2Br$$ with aqueous sodium hydroxide follows ___________.

$$\underrightarrow{AgNO_3} (A)$$;
Which statement is incorrect in respect of the above reaction?

$$\underset{a}{CH_3 }\, - \,\underset{b}{CH_2 }\, - \,\underset{c} {CH_2} \, - \,\underset{d} CH_2 \, - \, F$$
Arrange the hydrogens $$a, b, c, d,$$ in decreasing order of their reactivities towards chlorination:

2,4-hexadiyne $$(C_6 H_6)$$ is allowed to react with $$Li$$ in $$NH_3$$(liq). The product obtained is treated with 1 equivalent of $$Cl_2$$ $$CCl_4$$. Which of the following constitutional isomers are possible products ?