Give the formula and names of A-B-C and D in the following equations- a CH4 ABCD b C2H2 AB CD cC2H4-B C2H6

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Standard X

Chemistry

Chlorination

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Question

Give the formula and names of A,B,C and D in the following equations:
(a) $C H_{4} C l_{2} - -- \to - H C l A C l_{2} - -- \to - H C l B C l_{2} - -- \to - H C l C C l_{2} - -- \to - H C l D$
(b) $C_{2} H_{2} H_{2} - \to A H_{2} - \to B B r_{2} - --- \to - H B r C B r_{2} - --- \to - H B r D$
(c) $C_{2} H_{4} + B 200^{\circ} C - -- \to N i C_{2} H_{6}$

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Solution

(a) $C H_{4} C l_{2} - -- \to - H C l C H_{3} C l C l_{2} - -- \to - H C l C H_{2} C l_{2} C l_{2} - -- \to - H C l C C l_{4}$
A = monochloromethane
B = dichloromethane
C = Trichloromethane
D = Tetrachloromethane

(b) $C_{2} H_{2} H_{2} - \to H_{2} C = C H_{2} H_{2} - \to C H_{3} C H_{3} B r_{2} - --- \to - H B r C H_{3} C H_{2} B r B r_{2} - --- \to - H B r B r C H_{2} C H_{2} B r$

A= Ethene
B = ethane
C = bromoethane
D = dibromoethane

(d) $C_{2} H_{4} + H_{2} 200^{\circ} C - -- \to N i C_{2} H_{6}$

B = hydrogen

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Give the formula and names of A,B,C and D in the following equations: (a) CH4Cl2−−−→−HClACl2−−−→−HClBCl2−−−→−HClCCl2−−−→−HClD (b) C2H2H2−→AH2−→BBr2−−−−→−HBrCBr2−−−−→−HBrD (c)C2H4+B200∘C−−−→NiC2H6