JAM Chemistry (CY) - Previous Year Papers Previous Year Questions

1

2013 · Unclassified

Chemistry (CY) 2013

The most polar compound among the following is

A

SF_4

B

BF_3

C

XeF_4

D

SO_3

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2

2014 · Unclassified

Chemistry (CY) 2014

For square matrices M and N, if MN = M and NM = N, then:

A

\(M^2 = M\) and \(N^2 = N\)

B

\(N^2 \neq N\) and \(M^2 = M\)

C

\(M^2 \neq M\) and \(N^2 \neq N\)

D

\(M^2 \neq M\) and \(N^2 = N\)

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3

2015 · Unclassified

Chemistry (CY) 2015

The first row transition metal complexes having tetrahedral geometry are high-spin due to The common feature(s) of Rb+, Kr and Br- is/are that they Given that the crystal field stabilization energy for \([Co(H_2O)_6]^{2+}\) is 7360 cm\(^{-1}\), the calculated value of \(\Delta_o\) in kJ mol\(^{-1}\) is _______

A

\(\Delta_t > P\) have same number of valence electrons

B

\(\Delta_t < P\) have same magnitude of effective nuclear charge

C

\(\Delta_t = P\) have same magnitude of first ionization potential

D

\(\Delta_t > \Delta_o\) are isoelectronic species

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4

2016 · Unclassified

Chemistry (CY) 2016

The correct order of pKa for the following compounds is

A

II > I > III > IV

B

II > I > IV > III

C

III > IV > I > II

D

IV > II > I > III

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5

2017 · Unclassified

Chemistry (CY) 2017

The correct order of the boiling points of the compounds is

A

CH\(_4\) > SiH\(_4\) > SnH\(_4\) > GeH\(_4\)

B

SiH\(_4\) > CH\(_4\) > GeH\(_4\) > SnH\(_4\)

C

SnH\(_4\) > GeH\(_4\) > CH\(_4\) > SiH\(_4\)

D

SnH\(_4\) > GeH\(_4\) > SiH\(_4\) > CH\(_4\)

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6

2018 · Unclassified

Chemistry (CY) 2018

On hydrolysis, aluminium carbide produces

A

CH4

B

C2H6

C

C2H4

D

C2H2

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