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MHT CET202313 May 2023Evening ShiftChemistrySurface ChemistryActual

Which statement from following about nanomaterial is NOT correct?

Options

  1. AAs the particle size decreases the total surface area of particles increases
  2. BNanomaterial based catalysts exhibit increased catalytic activities
  3. CNanosized Cu and Pd clusters have very less hardness than bulk metal
  4. DCarbon nanotube can act as electrical conductor

Correct answer

C. Nanosized Cu and Pd clusters have very less hardness than bulk metal

Step-by-step solution

Nanosized copper and palladium clusters with diameter in the size range of 5-7 nm can have hardness upto 500 % greater than bulk metal.

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