Islamia Question Papers (2nd Year) Chemistry
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Questions and Answers

What is the name of $10^{-4}$ in a circuit?

micro

Complete the phrase: Characteristics of SN1 reaction is $100%$ ____________.

inversion

Why is phenol acidic in nature?

presence/loss of Lone pair of oxygen

What does $H_2SO_4$ yield?

<p>alkane</p> Signup and view all the answers

What replaces the 'E' in the IUPAC system for an alkane?

<p>None</p> Signup and view all the answers

In base catalyzed addition reactions of carbonyl compounds, where does the attacking nucleophile attach?

<p>Carbonyl carbon</p> Signup and view all the answers

What is the common name for Oxirane?

<p>Ethylene oxide</p> Signup and view all the answers

How many methyl groups are present in mestiylene?

<p>3</p> Signup and view all the answers

Which cation is more stable: t-butyl cation or ____?

<p>t-butyl cation</p> Signup and view all the answers

What is the hybridization of the carbon atom in a $CO_2$ molecule?

<p>$sp$</p> Signup and view all the answers

If a complex of silver carries a negative charge, how would the name of silver be written?

<p>Argentate</p> Signup and view all the answers

Why does $Cu^{2+}$ salt solution appear blue in color?

<p>transition of electron from d to d orbital</p> Signup and view all the answers

What is a characteristic of organic compounds related to 'Catenation'?

<p>Catenation</p> Signup and view all the answers

Study Notes

  • The oxide of period 3 elements with the highest melting point is SiO₂.
  • SN₁ reaction is characterized by 100% inversion.

Organic Chemistry

  • Phenol is acidic in nature due to the presence/loss of the lone pair of oxygen.
  • H₂SO₄ yields alkane.
  • In the IUPAC system, the "E" of alkane is not replaced.
  • In base-catalyzed addition reactions of carbonyl compounds, the attacking nucleophile attaches to the carbonyl carbon.
  • NH₃ is not an electrophile.
  • Oxirane is another name for ethylene oxide.
  • Mestiylene has 3 methyl groups.

Organic Reaction Mechanisms

  • The t-butyl cation is more stable.

Inorganic Chemistry

  • In CO₂, the carbon atom is sp hybridized.
  • If a complex of silver carries a negative charge, the name of the silver will be written as Argentate.
  • Cu²⁺ salt solution is blue in color due to the transition of electrons from d to d orbital.

General Chemistry

  • Catenation is a characteristic of organic compounds.

Electricity and Circuit Analysis

  • The value of 10⁻⁴ in a circuit is related to the identification of the circuit element.

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Test your knowledge with this set of questions on chemistry, covering topics like oxides, SN₁ reactions, phenol, and more.

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