MCQ
$p-$ Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives
- A
- B
- C
- ✓
✓
Answer
Correct option: D.
d
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Choose the correct answer from the options given below:
Choose the correct statements.
(A) Weight of a substance is the amount of matter present in it.
(B) Mass is the force exerted by gravity on an object.
(C) Volume is the amount of space occupied by a substance.
(D) Temperatures below $0^{\circ} \mathrm{C}$ are possible in Celsius scale, but in Kelvin scale negative temperature is not possible.
(E) Precision refers to the closeness of various measurements for the same quantity.
→(A) Weight of a substance is the amount of matter present in it.
(B) Mass is the force exerted by gravity on an object.
(C) Volume is the amount of space occupied by a substance.
(D) Temperatures below $0^{\circ} \mathrm{C}$ are possible in Celsius scale, but in Kelvin scale negative temperature is not possible.
(E) Precision refers to the closeness of various measurements for the same quantity.
Identify the wrong statement from the following
The number of ions present in $2\,L$ of a solution of $1.6\, M\, K_4[Fe(CN)_6]$ is
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Nitrogen atom has an atomic number of $7 $ and oxygen has an atomic number $8.$ The total number of electrons in a nitrate ion will be
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→Which of the following pairs of compounds are positional isomers ?
A solution is $500\, ml$ of $2\, M \,KOH$ is added to $500\, ml$ of $2\, M \,HCl$ and the mixture is well shaken.The rise in temperature $T_1$ is noted. The experiment is then repeated using $250\, ml$ of each solution and rise in temperature $T_2$ is again noted. Assume all heat is taken by the solution
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