Question Text
Question 3 :
Which of the following compounds does not contain a multiple bond?
Question 6 :
A saturated hydrocarbon is shown by ${ C }_{ n }{ H }_{ 20 }$ . The value of $n$ in this compound is:<br/>
Question 7 :
Water which gives lather with soap easily is called as hard water.<br/>
Question 9 :
Which of the following reagent reacts with ethanoic acid to liberate hydrogen gas?<br/>
Question 13 :
Assertion: Diamond and graphite are allotropes of carbon
Reason: Some elements can have several different structural forms while in the same physical state. These differing forms are called allotropes.
Question 17 :
Which of the following compound will fall in the same homologous series of formic acid $(H-COOH)$? 
Question 18 :
When soap is added to hard water $Na^+$ of soap is replaced by $Ca^{2+}$ or $Mg^{2+}$ ions and precipitates as $Ca$ or $Mg$ soap.<br/>
Question 19 :
Write down the general formula of homologous series whose third homologue is $C_4H_6$ ?
Question 21 :
In the case homologous series of alkanes, which one of the following statements is incorrect?
Question 25 :
An organic compound 'A' produces a gas with brisk effervescence when sodium bicarbonate is added to it. The compound 'A' contains same number of carbons as in ethane. The compound 'A' reacts with ethanol to form a sweet smelling compound 'C' in presence of conc. $H_2SO_4$. A and C respectively are :
