Lone Pairs and Bond Pairs
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Assertion: Through the central atom of both molecules are hybridised, yet the bond angle is greater than that of
Reason: This is because the nitrogen atom has a lone pair and the oxygen atom has two lone pairs.
The assertion is true, but the Reason is false.
Both Assertion and Reason are false.
Both Assertion and Reason are true. The Reason is the correct explanation for Assertion.
Both Assertion and Reason are true. The Reason is not the correct explanation for Assertion.
Do lone pairs repel each other?
Statement 2 - Bond pair electrons are shared between two atoms while lone pair aren't.
- Only statement I is true.
- Only statement II is true.
- Both statements are true.
- Both statements are false.
- x > y > z
- y > z > x
- z > x > y
- z > y > x
- Four
- Three
- One
What are bond pairs? Give some examples depicting bond pairs.
Which charge does hydrogen consists of +ve or -ve
Reason (R): Nitrogen atom has one lone pair whereas oxygen atom has two lone pairs of electrons.
- A and R both are correct and R is the correct explanation of A
- A and R both are correct and R is not the correct explanation of A
- A is correct and R is incorrect
- A is incorrect and R is correct
Statement 1: Carbon shares electrons to form covalent bond with other elements.
Statement 2: C4+ and C4−ions are highly unstable.
- Both statements are correct but statement 2 is not the correct explanation for statement 1.
- Both statements are correct and statement 2 is the correct explanation for statement 1.
- Statement 1 is wrong but statement 2 is correct.
- Statement 1 is correct but statement 2 is wrong.
- lone pair - lone pair
- lone pair - bond pair
- bond pair - bond pair
Which of the following is the correct representation of O2?
Statement -2 : Silicon cannot form Si−Si double bond easily.
- Statement 1 is True, statement 2 is True; statement 2 is not a correct explanation for statement 1
- Statement 1 is True, statement 2 is True; statement 2 is a correct explanation for statement 1
- Statement 1 is True, statement 2 is False
- Statement 1 is False, statement 2 is True
- Lone pair
- Bond pair
- Bond angle
Choose the element with correct dot structure?
All of the given options are correct.
- NaCI
- NH3
- BCl3
- PCl3
Statement 1: Carbon shares electrons to form covalent bond with other elements.
Statement 2: C4+ and C4−ions are highly unstable.
- Statement 1 is wrong but statement 2 is correct.
- Both statements are correct and statement 2 is the correct explanation for statement 1.
- Both statements are correct but statement 2 is not the correct explanation for statement 1.
- Statement 1 is correct but statement 2 is wrong.
- True
- False
- positive charge
- unpaired electrons
- lone pair
- negative charge
LP: lone pair of electrons
BP: bond pair of electrons
- LP - LP > BP - BP > LP - BP
- BP - BP > LP - BP > LP - LP
- LP - BP > LP - LP > BP - BP
- LP - LP > LP - BP > BP - BP
- four
- two
- one
- three
- shared by the participating atoms
- lost by one of the participating atoms
- gained by one of the participating atoms
- not shared by any of the participating atoms
- C−C>C=C>C≡C
- C=C>C−C>C≡C
- C≡C>C=C>C−C
- C=C>C≡C>C−C