1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Which complex compound is most stable?

A
$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{3}\left(\mathrm{NO}_{3}\right)_{3}\right]$$
B
$$\left[\mathrm{CoCl}_{2}(\mathrm{en})_{2}\right] \mathrm{NO}_{3}$$
C
$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]_{2}\left(\mathrm{SO}_{4}\right)_{3}$$
D
$$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Br}\right]\left(\mathrm{NO}_{3}\right)_{2}$$
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

On balancing the given redox reaction,

$$\mathrm{aCr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{bSO}_{3}^{2-}(\mathrm{aq})+\mathrm{cH}^{+}(\mathrm{aq}) \rightarrow 2 \mathrm{aCr}^{3+}(\mathrm{aq})+\mathrm{bSO}_{4}^{2-}(\mathrm{aq})+\frac{\mathrm{c}}{2} \mathrm{H}_{2} \mathrm{O}(\ell)$$

the coefficients $$\mathrm{a}, \mathrm{b}$$ and $$\mathrm{c}$$ are found to be, respectively -

A
3, 8, 1
B
1, 8, 3
C
8, 1, 3
D
1, 3, 8
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the final product [D] obtained in the following sequence of reactions.

NEET 2023 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English

A
NEET 2023 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 1
B
C$$_4$$H$$_{10}$$
C
$$\mathrm{HC} \equiv \mathrm{C}^{\ominus} \mathrm{Na}^{+}$$
D
NEET 2023 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 11 English Option 4
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

In a series LCR circuit, the inductance $$L$$ is $$10 ~\mathrm{mH}$$, capacitance $$C$$ is $$1 ~\mu \mathrm{F}$$ and resistance $$R$$ is $$100 ~\Omega$$. The frequency at which resonance occurs is :-

A
15.9 kHz
B
1.59 rad/s
C
1.59 kHz
D
15.9 rad/s
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12