[1 Mark Question Answer]

Question 11 Mark

What is homologous series?

Answer

A homologous series is a group of organic compounds having similar structures and similar chemical properties

Question 21 Mark

What is major source of organic compounds?

Answer

Natural gas and Petroleum are one of the major sources of organic
compound.

Question 31 Mark

Which of the following belong to same homologous series?
$C3H_8, C_3H_6, C_4H_8, C_4H_6$

Answer

$C_3H_{6,}C_4H_8$ belong to same Homologous series.

Question 41 Mark

Which was the first organic compound synthesized in laboratory and by whom?

Answer

Urea was the first organic compound synthesized in laboratory by Friedrish Wholer.

Question 51 Mark

Write the $IUPAC$ name of the foloowing:
$CH_3 - C = CH$

Answer

Propyne

Question 61 Mark

Write the IUPAC name of the foloowing:
$CH_3CH_2Ch= CHCH_3$

Answer

Pent-2-ene

Question 71 Mark

Write the IUPAC name of the following :

$\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3-C-CH3}\\
|\\
\ce{CH3}
\end{array}$

Answer

2, 2-dimethylpropane

Question 81 Mark

Write the IUPAC name of the foloowing:
$CH_3CH_2CH_2CH_2CH_3$

Answer

Pentane

Question 91 Mark

What is an alkyl group?

Answer

The group formed by the removal of one hydrogen atom from an
alkane molecule is called an alkyl group.

Chemistry [1 Mark Question Answer]