Day 251: MHT-CET Chemistry

1. A.
   $\text{Zn}>\text{Fe}>\text{Cr}>\text{Sc}$
2. B.
   $\text{Cr}>\text{Fe}>\text{Zn}>\text{Sc}$
3. C.
   $\text{Sc}>\text{Fe}>\text{Cr}>\text{Zn}$
4. D.
   $\text{Cr}>\text{Zn}>\text{Sc}>\text{Fe}$

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1. A.
   Unipositive ions have inert gas configuration.
2. B.
   Compounds of unipositive ions are paramagnetic.
3. C.
   These form colourless compounds in +1 state.
4. D.
   These have high negative values of standard reduction potential.

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1. A.
   +4 and +6
2. B.
   +3 and +2
3. C.
   +6 and +6
4. D.
   +8 and +2

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1. A.
   ICl
2. B.
   IBr
3. C.
   IF₃
4. D.
   IF₅

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1. A.
   strong acid and its salt with weak base.
2. B.
   strong base and its salt with weak acid.
3. C.
   weak acid and its salt with strong base.
4. D.
   weak base and its salt with strong acid.

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