JEE Main 2020 Chemistry question

For one mole of an ideal gas, which of these statements must be true ? (a) U and H each depends only on temperature (b) Compressibility factor z is not equal to 1 (c) (d) for any process

• (A)(a), (c) and (d)Correct
• (B)(b), (c) and (d)
• (C)(c) and (d)
• (D)(a) and (c)