1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The equilibrium constant of the reaction

$$A(s)+2 B^{+}(a q) \rightleftharpoons A^{2+}(a q)+2 B(s)$$

$$E_{\text {cell }}^{\circ}=0.0295 \mathrm{~V} \text { is } \quad\left[\frac{2.303 R T}{F}=0.059\right]$$

A
$$2\times10^1$$
B
$$3\times10^1$$
C
$$2\times10^5$$
D
10
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

Using the standard electrode potential, find out the pair between which redox reaction is not feasible.

E$$^\Theta $$ values Fe3+ / Fe2+ = + 0.77; I2 / I$$-$$ = + 0.54 Cu2+ / Cu = + 0.34; Ag+ / Ag = 0.80 V

A
Fe3+ and I$$-$$
B
Ag+ and Cu
C
Fe3+ and Cu
D
Ag and Fe3+
3
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

The molar conductivities of KCl, NaCl and KNO3 are 152, 128 and 111 S cm2 mol$$-$$1 respectively. What is the molar conductivity of NaNO3?

A
101 S cm2 mol$$-$$1
B
87 S cm2 mol$$-$$1
C
$$-$$ 101 S cm2 mol$$-$$1
D
$$-$$ 391 S cm2 mol$$-$$1
4
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 A is (Atomic mass of Ca = 40)

A
80
B
10
C
16
D
8
BITSAT Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12