Yasmeen wrote few series of hydrocarbon and left blanks in between. Look at the chemical formula in the series of hydrocarbon carefully. Answer the following questions accordingly.

I II III
$C H_{4}$ $C_{2} H_{4}$ X
$C_{2} H_{6}$ $C_{3} H_{6}$ $C_{3} H_{4}$
Y $C_{4} H_{8}$ $C_{4} H_{6}$
$C_{4} H_{10}$ Z $C_{5} H_{8}$

X and Y respectively are:

C_{2} H_{2}

and

C_{3} H_{8}

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C_{2} H_{2}

and

C_{4} H_{10}

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C_{2} H_{2}

and

C_{3} H_{6}

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C_{2} H_{4}

and

C_{3} H_{8}

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Solution

The correct option is B $C_{2} H_{2}$ and $C_{3} H_{8}$
In coloumn (I) alkanes are present with general formula; $C_{n} H_{2 n + 2}$ . Thus for Y, n= 3 and Y = $C_{3} H_{8}$
In coloumn (III) alkynes are present with general formula; $C_{n} H_{2 n - 2}$ . Thus for X , n= 2 and X = $C_{2} H_{2}$

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Similar questions

C_{2} H_{6}, C_{3} H_{8}, C_{3} H_{6}, C_{2} H_{2}

{CH}_{4}

C_{2} H_{6}

C_{3} H_{8}, C_{3} H_{6}, C_{2} H_{2}

C H_{4}

C_{2} H_{6}, C_{3} H_{8}, C_{3} H_{6}, C_{2} H_{2}

C H_{4}

C_{2} H_{6}, C_{3} H_{8}, C_{3} H_{6}, C_{2} H_{2}, C H_{4}

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