Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
The metals which are much more noble than Au and Pt and are insoluble in aqua regia are (1)\[Ir\] (2)\[Os\] (3) \[Rh\] (4)\[Pd\]A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
Ir and Rh are more inert than Au and Pt and thus, are insoluble in aqua regia.
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