What a Compound! Returns

Chemistry Level 4

Which of these are correct about the compound NaX2BX4OX7.10HX2O\ce{Na2B4O7}.10\ce{H2O} ?

  1. It is made up of four sp2sp^2 - hybridised boron atoms.

  2. It has two sp3sp^3 - hybridised boron atoms.

  3. It has two sp2sp^2 - hybridised boron atoms.

  4. It has four BOB B-O-B bonds .

  5. It has 10 molecules of water of crystallization.

  6. It is Borax.

  7. It's solution gives colorless solution with phenolphthalein.

  8. It may be titrated as an alkali with HCl using methyl orange indicator.

  9. It has five BOB B-O-B bonds .

  10. Its solution is acidic in nature.

Enter your answer as the product of the respective option numbers of correct response.

ClarificationClarification If you think statements 2,3 and 5 are true, enter your answer as 2×3×5=30.2 \times 3 \times 5 = 30.


This is a part of my set Aniket's Chemistry Challenges. (BEST OF JEE - ADVANCED)
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