Download App

STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Which of the following gives layer test ?
  • A
    $I^-$
  • ✓
    $Br^-$
  • C
    $NO_3^-$
  • D
    Both $(A)$ and $(B)$
✓

Answer

Correct option: B.
$Br^-$
b
Boiling point of $HF$ is highest due to $H$-bonding. For other halogen acids boiling point increase in the order $HCl \,< \,HBr \,< \,HI$. Therefore, most volatile (with lowest boiling point) is $HCl$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

If $S + {O_2} \to S{O_2};\,(\Delta H = - 298.2)$ $S{O_2} + \frac{1}{2}{O_2} \to S{O_3};\,(\Delta H = - 98.2)$$S{O_3} + {H_2}O \to {H_2}S{O_4};\,(\Delta H = - 130.2)$ ${H_2} + \frac{1}{2}{O_2} \to {H_2}O;\,(\Delta H = - 287.3)$ then the enthalpy of formation of ${H_2}S{O_4}$ at $298\,K $ will be......$kJ$
→
If $pOH $ of a solution is $6.0$ , then its $pH$  will be
→
Which is correct about Henry’s law
→
Which of the following statement is $correct$
→
Which of the following is $INCORRECT$ 
→
Which statement is true about the most stable Lewis structure. for $CS_2$ ?
→
The alkaline $CuS{O_4}$ containing sodium potassium tartrate does not react with
→
In which of the following reaction, Markownikoff's rule is violated ?
→
The maximum number of electrons that can have principal quantum number, $n=3$, and spin quantum number, $m_{ s }=-1 / 2$, is
→
Which of the following would have same magnetic nature whether $sp$ mixing is operative or not?
→